000			00298 a2200121 4500
080			_a633 _bH 451 I
245	1		_aIntroduction to the botany of field crops _cby J.M. Hector
260			_aJohannesburg _c1936
650			_aBotany
650			_aField Crops
100	1		_aHector, J.M. _d
901			_a119719
999			_c84527 _d84527